# Tempy ## Description ESP32-C3 based weather station using the HPP845E031R4 temperature and humidity sensor. This small package also includes solar power and a FPC adapter for additions such as wind detection via the i2c or SPI communication protocols ## Project Details - **Owner:** danielapo - **Created:** 3/15/2024 - **Last Updated:** 4/5/2024 - **Visibility:** Public ## Key Components ### Battery Monitoring — DMP2045U-7 - Manufacturer Part Number: DMP2045U-7 **Pins:** - 1 GND [pin 1] - 2 VDD [pin 2] - 3 Data [pin 3] ### D1 — [Diode-SOD-323-Template](https://www.flux.ai/vasyl/diode-sod-323-template~nv.md) - Part Type: Diode **Pins:** - A [pin 1] - K [pin 2] ### D2 — [Diode-SOD-323-Template](https://www.flux.ai/vasyl/diode-sod-323-template~nv.md) - Part Type: Diode **Pins:** - A [pin 1] - K [pin 2] ### IC1 — [ESP32-C3FH4](https://www.flux.ai/vasyl/esp32-c3fh4~a4m.md) - Manufacturer Part Number: ESP32-C3 - Manufacturer Name: Espressif Systems - Part Type: Integrated Circuit - Datasheet URL: https://datasheet.lcsc.com/lcsc/2108071730_Espressif-Systems-ESP32-C3_C2838500.pdf **Pins:** - CHIP_EN - GND - GPIO10 - GPIO18 - GPIO19 - GPIO2 - GPIO3 - GPIO8 - GPIO9 - LNA_IN - MTCK - MTDI - MTDO - MTMS - SPICLK - SPICS0 - SPID - SPIHD - SPIQ - SPIWP - U0RXD - U0TXD - VDD_SPI - VDD3P3 - VDD3P3__1 - VDD3P3_CPU - VDD3P3_RTC - VDDA - VDDA__1 - XTAL_32K_N - XTAL_32K_P - XTAL_N - XTAL_P ### J1 — [5051101092](https://www.flux.ai/vasy_skral/5051101092~ov.md) - Manufacturer Part Number: 5051101092 - Datasheet URL: https://www.molex.com/datasheets/rohspdf/5051101092_rohs.pdf - Manufacturer Name: Molex - Part Type: Connector **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] - SHIELD [pin S1] - SHIELD [pin S2] ### J2 — [U.FL-R-SMT-1(10)](https://www.flux.ai/jecstronic/upfl-r-smt-110~du.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Hirose Electric Co Ltd - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Hirose%20PDFs/EDC3-302540-10.tif.pdf - Manufacturer Part Number: U.FL-R-SMT-1 **Pins:** - Center_Contact [pin 2] - Outer_Contact [pin 1] - Outer_Contact [pin 3] ### J4 — [USB TYPE C](https://www.flux.ai/jecstronic/usb-type-c~22j.md) - Part Type: USB C - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CC1 [pin A5] - CC2 [pin B5] - D- [pin B7] - D- [pin A7] - D+ [pin A6] - D+ [pin B6] - GND [pin A1_B12] - GND [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHELL_GND [pin S3] - SHELL_GND [pin S1] - SHELL_GND [pin S4] - SHELL_GND [pin S2] - VBUS [pin B4_A9] - VBUS [pin A4_B9] ### LED1 — [LED 0402](https://www.flux.ai/jecstronic/led-0402~lkg.md) - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### SC1 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv~0g8.md) - Manufacturer Part Number: SM141K04LV - Manufacturer Name: ANYSOLAR Ltd - Part Type: Power Source - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf **Pins:** - - [pin 2] - + [pin 1] ### SC2 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv~0g8.md) - Part Type: Power Source - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf - Manufacturer Name: ANYSOLAR Ltd - Manufacturer Part Number: SM141K04LV **Pins:** - - [pin 2] - + [pin 1] ### SW1 — [SW Push SPST NO Alps](https://www.flux.ai/adrian95/sw-push-spst-no-alps~4ii.md) - Part Type: Switch **Pins:** - P1 [pin 3] - P2 [pin 1] ### SW2 — [SW Push SPST NO Alps](https://www.flux.ai/adrian95/sw-push-spst-no-alps~4ii.md) - Part Type: Switch **Pins:** - P1 [pin 3] - P2 [pin 1] ### U2 — [XB6042I2SV](https://www.flux.ai/danielapo/xb6042i2sv~mr.md) - Manufacturer Name: ON Semiconductor - Manufacturer Part Number: XB6042I2SV **Pins:** - EXP [pin 5] - GND [pin 2] - GND [pin 3] - VDD [pin 1] - VM [pin 4] ### U3 — [WS4518D](https://www.flux.ai/danielapo/ws4518d~sz.md) - Manufacturer Name: ON Semiconductor - Manufacturer Part Number: WS4518D-6/TR **Pins:** - BAT [pin 4] - CHAR [pin 1] - EXP [pin 7] - GND [pin 3] - PG [pin 5] - TEMP [pin 2] - VCC [pin 6] ### U4 — [RT9080-33GJ5](https://www.flux.ai/adrian95/rt9080-33gj5~ppf.md) - Manufacturer Part Number: RT9080-33GJ5 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.richtek.com/SaveDownload.aspx?specid=RT9080 - Part Type: Integrated Circuit - Manufacturer Name: Richtek USA Inc. **Pins:** - EN [pin 3] - GND [pin 2] - SNS [pin 4] - VIN [pin 1] - VOUT [pin 5] ### U5 — [APA-102-2020-256-8](https://www.flux.ai/danielapo/apa-102-2020-256-8~8j.md) - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: APA-102-2020-256-8 **Pins:** - CI [pin 3] - CO [pin 1] - DI [pin 6] - DO [pin 4] - GND [pin 5_2] - GND [pin 5_1] - VDD [pin 2_2] - VDD [pin 2_1] ### U6 — [HPP845E031R4](https://www.flux.ai/adrian95/hpp845e031r4~uim.md) - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=HPC199_6&DocType=Data+Sheet&DocLang=English - Manufacturer Part Number: HPP845E031R4 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Sensor - Manufacturer Name: TE Connectivity Measurement Specialties **Pins:** - DATA [pin 1] - EXP_PAD [pin 7] - GND [pin 2] - SCK [pin 6] - VDD [pin 5] ### Y1 — Crystal2-4 small - Manufacturer Part Number: S2140000091070JY **Pins:** - CRYSTAL_1 [pin 1] - CRYSTAL_2 [pin 3] - GND_1 [pin 2] - GND_2 [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/danielapo/tempy~er](https://www.flux.ai/danielapo/tempy~er).* --- *Generated from [https://www.flux.ai/danielapo/tempy~er](https://www.flux.ai/danielapo/tempy~er)*